Swansea Plume Plotter
Swansea incinerator plume
at 03:50 on Sat, 22 Feb 2025
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The map shows the (predicted) current state of pollution from the proposed incinerator at Clarion Close, Morriston.

The red line shows wind direction. Green rings show distance (km). Colours show concentration of oxides of nitrogen at ground level. Maximum: 4.01 µg/m3. This is the concentration at the location that is most polluted by the plume.

Breakdown of pollutants at most polluted location (green = background, red = added by plume):

Oxides of nitrogen
Particulates
Sulphur dioxide
Carbon monoxide
Hydrogen chloride
VOCs
Cadmium and thallium
Mercury
Other metals
PAHs

Oxides of nitrogen
Particulates
Sulphur dioxide
Carbon monoxide
Hydrogen chloride
VOCs
Cadmium and thallium
Mercury
Other metals
PAHs

Concentration
per m3
Background
(annual mean)
Plume
Oxides of nitrogen12.6 µg4.01 µg(32%)
Particulates12.7 µg200 ng(2%)
Sulphur dioxide3.33 µg1 µg(30%)
Carbon monoxide112 µg1 µg(1%)
Hydrogen chloride 212 ng200 ng(94%)
Hydrogen fluoride N/A20 ng
VOCs450 ng200 ng(44%)
Cadmium and thallium320 pg1.01 ng(316%)
Mercury3.5 ng1.01 ng(29%)
Other metals71 ng10 ng(14%)
Dioxins and furansN/A2.01 fg
PAHs400 pg346 fg(0%)
PCBsN/A0.185 fg
Display parameters
Zoom:
+
Area:
Centred
Downwind
Emissions:
Planned
Latest weather data
Wind 6.9 mph (3.1 m/s) from 250°. Cloud cover: 0/10. Temp: 8°C. Pressure: 1006 mb. Data from Cardiff airport at 03:50.